73638150 has 24 divisors (see below), whose sum is σ = 182622984. Its totient is φ = 19636800.

The previous prime is 73638137. The next prime is 73638151. The reversal of 73638150 is 5183637.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73638151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245311 + ... + 245610.

It is an arithmetic number, because the mean of its divisors is an integer number (7609291).

Almost surely, 2^73638150 is an apocalyptic number.

73638150 is an abundant number, since it is smaller than the sum of its proper divisors (108984834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73638150 is a wasteful number, since it uses less digits than its factorization.

73638150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490936 (or 490931 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 73638150 is about 8581.2673889117. The cubic root of 73638150 is about 419.1482170159.

The spelling of 73638150 in words is "seventy-three million, six hundred thirty-eight thousand, one hundred fifty".